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Silane coupling agent is obtained -- 2017-03-29

Silane coupling agentis a kind of special structure of low molecular weight organic siliconcompounds. Thegeneral formula for RSiX3, where R represents amino, mercapto vinyl, epoxy,chloropropyl, cyano and methacryloxy groups and other groups. These groups and different matrix resins have a strongability to react, and x represents a hydrolyzable group such as halogen,alkoxy, acyloxy and the like. Silanecoupling agent is trichlorosilane (HSiCl3) and with reactive groups ofunsaturated olefins in the ...

Room temperature curing agent and heating curing agent -- 2017-03-28

Curing agent can be divided according touse at room temperature curing agent and heat curing agent. Epoxy resin at hightemperature curing general good performance, but in civil construction in theuse of paint and adhesives due to heating difficulties, need room temperaturecuring. So most of the use of fatty amines, ring lipids and polyamide, and soon. In particular, coatings and adhesives used in winter have to be used incombination with polyisocyanates, or polyhalines having a malodorous odor.A ...

It is important to have a comprehensive understanding of polyamine curing agents -- 2017-03-27

The curing temperature of the curing agentand the heat resistance of the cured product has a great relationship.Similarly, in the same type of curing agent, although the same functionalgroups, but due to different chemical structure, its properties and curingproperties are different. Therefore, a comprehensive understanding of the samefunctional groups and different chemical structure of the polyamine curingagent of the traits, characteristics, the choice of curing agent is veryimportant.In term ...

Mesh polymer compounds -- 2017-03-24

The silicone polymer is a polymer compoundhaving a silicon atom in its main chain. At present the most importantorganosilicon polymer is polysiloxane. Polysiloxanes are polymeric, chain-like,cyclic or reticular polymeric compounds that are polymerized from many monomerscontaining double bonds, commonly known as silicones. Its structure ischaracterized by containing a silicon, oxygen atoms alternately arranged in thebasic skeleton, each silicon atoms are connected with organic groups. Thesilicon- ...

Silicone is a very good nature of the polymer material -- 2017-03-23

Silicone is a very good nature of thepolymer material, with good temperature resistance, weatherability,physiological inertia and insulation properties. Electronics, biomedical,aerospace, machinery, shipbuilding and daily-use industries have a wide rangeof applications. Silicone materials from the morphology of a gaseous, solid,liquid, etc., can be cross-linked into a solid membrane. Can also be a softelastomer, can be room temperature crosslinking, high temperature crosslinkingcan also be appli ...

Water Treatment Agent - Flocculant -- 2017-03-22

Polyacrylic acid sodium is a matureindustrial products, there are industry standards. The standard number is: HG /T2838-2010. Standard product appearance is colorless to yellow liquid, solidcontent greater than or equal to 30%.High relative molecular mass forflocculants.Water treatment agent - flocculantPolyacrylic acid sodium is a linear,soluble polymer compounds, the molecular chain of the carboxyl group due toelectrostatic repulsion. So that the polymer chain stretches around, causingthe adso ...

Research Center of Sodium Polyacrylate -- 2017-03-21

With the rapid development of the nationaleconomy, the necessity of water treatment is increasingly prominent,flocculation technology is to improve water treatment efficiency of the mostcommonly used technology. Especially as the flocculant high molecular weightpolyacrylic acid sodium, has become the subject of domestic and foreignresearchers competing research. In this paper, the emulsion polymerization ofacrylic acid and its comonomer is studied. The choice of emulsifier, the choiceof initiato ...

Health Hazards -- 2017-03-20

Health HazardsInhalation, ingestion of the eye andrespiratory mucosa have a strong stimulating effect. High concentrations, cancause corneal opacity, respiratory inflammation, and even pulmonary edema, andmay be associated with dizziness, headache, fatigue, nausea, vomiting,palpitation and other symptoms. Splashed on the skin, can cause necrosis,ulcers, long-term unhealed.First-aidSkin contact: Immediately removecontaminated clothing, mobile water rinse for more than 15 minutes. If burns,medical ...

HnSiCl4-n;n=0,1,2,3 -- 2017-03-17

Silane SiH4 in the hydrogen atoms arereplaced by chlorine atoms, the total known as chlorosilane, low chlorinecontent when the gas, the higher the liquid, colorless or yellow, N = 0, 1, 2,3;Chlorosilane with active hydrogen compoundswith a fierce reaction, such as water, alcohols, phenols, silanol, organicacids, etc., release hydrogen chloride.With the organometallic compounds, chlorineatoms are replaced by the corresponding organic groups to generateorganochlorosilane or organosilane.The silico ...

Greatly improve the wet performance of composite materials -- 2017-03-16

Epoxy silane crosslinking agent is acolorless transparent liquid, mainly used in unsaturated polyester composites.Can improve the mechanical properties of composite materials, electricalproperties, light transmission properties, in particular, can significantlyimprove the wet properties of composite materials.The main purpose:Mainly used in unsaturated polyestercomposites, can improve the mechanical properties of composite materials,electrical properties, light transmission properties, in partic ...

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